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XML Delimiters for Clear Separation

Separate prompt parts with XML tags (instructions, examples, document) so the model handles each precisely.

8 min Intermediate

Goal

Prevent the model from mixing your instructions with reference content you paste.

Steps

1

Wrap instructions inside <instructions>...</instructions>.

4 more steps locked

Expected Outcome

Immediate

The model stops mixing "explain this" with "the text you explain".

Evidence base

School: Prompt Structure / Anthropic Best Practices

Founders: Anthropic Research Team (2024)

Anthropic's official guide recommends XML tags as best practice for separating prompt sections, especially with Claude.

Frequently asked questions

How long does "XML Delimiters for Clear Separation" take?

This exercise takes about 8 minutes, practiced solo in a Creative format.

When will I notice the effect of "XML Delimiters for Clear Separation"?

The model stops mixing "explain this" with "the text you explain". In the short term: Answers on long texts adhere more to instructions.

Is "XML Delimiters for Clear Separation" evidence-based?

Yes — it draws on Prompt Structure / Anthropic Best Practices (Anthropic Research Team (2024)). Anthropic's official guide recommends XML tags as best practice for separating prompt sections, especially with Claude.

Is "XML Delimiters for Clear Separation" suitable for beginners?

Its difficulty level is: Intermediate. No external tools required — it can be practiced directly inside the app.

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